修复inotify-watch内存泄漏；修复部分Fortify检测代码问题；

libsearch/index/inotify-watch.cpp

@@ -249,8 +249,8 @@ void InotifyWatch::run()
             if(i < len ) {
                 qDebug() << "fork";
                 slotEvent(buf, len);
-                free(buf);
             }
+            free(buf);
             --FileUtils::indexStatus;
         } else if(rc < 0) {
             // error
@@ -412,6 +412,7 @@ void InotifyWatch::eventProcess(int socket)
     }
     if(i >= len) {
         qDebug() << "There is nothing to do!";
+        free(buffer);
         return;
     }
     eventProcess(buffer, len);

libsearch/parser/binary-parser.cpp

@@ -4486,7 +4486,7 @@ static ULONG ulReadLong(FILE *pFile, ULONG ulOffset) {
     UCHAR	aucBytes[4];
 
     if(!bReadBytes(aucBytes, 4, ulOffset, pFile)) {
-        return -1;
+        return ULONG_MAX;
     }
     return ulGetLong(0, aucBytes);
 } /* end of ulReadLong */

ukui-search-app-data-service/convert-winid-to-desktop.cpp

@@ -42,7 +42,7 @@ QString ConvertWinidToDesktop::tranIdToDesktop(WId id)
 
 QString ConvertWinidToDesktop::confirmDesktopFile(KWindowInfo info)
 {
-    QString desktopFilePath = nullptr;
+    QString desktopFilePath = QString();
     QDir dir = QDir(DESKTOP_FILE_PATH);
     QFileInfoList list = dir.entryInfoList();
     //跳过 ./ 和 ../ 目录
@@ -117,7 +117,7 @@ QString ConvertWinidToDesktop::searchAndroidApp(KWindowInfo info)
             return fileInfo.filePath();
         }
     }
-    return nullptr;
+    return QString();
 }
 
 QString ConvertWinidToDesktop::searchFromEnviron(KWindowInfo info, QFileInfoList list)
@@ -128,7 +128,7 @@ QString ConvertWinidToDesktop::searchFromEnviron(KWindowInfo info, QFileInfoList
     file.close();
     QList<QByteArray> list_BA = BA.split('\0');
 
-    QString desktopFilePath = nullptr;
+    QString desktopFilePath = QString();
     for (int i = 0; i < list_BA.length(); i++) {
         if (list_BA.at(i).startsWith("GIO_LAUNCHED_DESKTOP_FILE=")) {
             desktopFilePath = list_BA.at(i);
@@ -165,7 +165,7 @@ QString ConvertWinidToDesktop::compareClassName(QFileInfoList list)
             return fileInfo.filePath();
         }
     }
-    return nullptr;
+    return QString();
 }
 
 QString ConvertWinidToDesktop::compareCmdExec(QFileInfoList list)
@@ -193,7 +193,7 @@ QString ConvertWinidToDesktop::compareCmdExec(QFileInfoList list)
             return fileInfo.filePath();
         }
     }
-    return nullptr;
+    return QString();
 }
 
 //最后的匹配策略汇总
@@ -230,7 +230,7 @@ QString ConvertWinidToDesktop::compareCmdName(QFileInfoList list)
             return fileInfo.filePath();
         }
     }
-    return nullptr;
+    return QString();
 }
 
 QString ConvertWinidToDesktop::compareDesktopClass(QFileInfoList list)
@@ -251,7 +251,7 @@ QString ConvertWinidToDesktop::compareDesktopClass(QFileInfoList list)
             return fileInfo.filePath();
         }
     }
-    return nullptr;
+    return QString();
 }
 
 QString ConvertWinidToDesktop::containsName(QFileInfoList list)
@@ -275,7 +275,7 @@ QString ConvertWinidToDesktop::containsName(QFileInfoList list)
             return fileInfo.filePath();
         }
     }
-    return nullptr;
+    return QString();
 }
 
 //执行头文件中宏定义写好的终端指令获取对应的Exec字段

ukui-search-app-data-service/convert-winid-to-desktop.h

@@ -57,10 +57,10 @@ private:
     ConvertWinidToDesktop& operator =(const ConvertWinidToDesktop&) = delete;
     ~ConvertWinidToDesktop();
 
-    QString m_classClass = nullptr;
-    QString m_className = nullptr;
-    QString m_statusName = nullptr;
-    QString m_cmdLine = nullptr;
+    QString m_classClass = QString();
+    QString m_className = QString();
+    QString m_statusName = QString();
+    QString m_cmdLine = QString();
 
     QString confirmDesktopFile(KWindowInfo info);
     QString searchFromEnviron(KWindowInfo info, QFileInfoList list);

ukui-search-service-dir-manager/dirwatcher/dir-watcher.cpp

@@ -79,8 +79,9 @@ void DirWatcher::handleIndexItemAppend(const QString &path, QStringList &blackLi
 
     //处理添加路径非根目录时，要添加索引的路径与已索引路径为父子关系的情况
     if (path != "/") {
+        QString indexablePath;
         for (int i = 0; i < m_indexableDirList.length(); i++) {
-            const QString indexablePath = m_indexableDirList.at(i);
+            indexablePath = m_indexableDirList.at(i);
             if (path.startsWith(indexablePath + "/")) {
                 qCritical() << QString("The parent of the path:%1 has been added.").arg(path);
                 return;